CVE-2021-25042 - CVE House
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Status published Medium CVE-2021-25042

WP Visitor Statistics (Real Time Traffic) < 5.5 - Arbitrary IP Address Exclusion to Stored XSS

Vulnerability Description

The WP Visitor Statistics (Real Time Traffic) WordPress plugin before 5.5 does not have authorisation and CSRF checks in the updateIpAddress AJAX action, allowing any authenticated user to call it, or make a logged in user do it via a CSRF attack and add an arbitrary IP address to exclude. Furthermore, due to the lack of validation, sanitisation and escaping, users could set a malicious value and perform Cross-Site Scripting attacks against logged in admin

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Krzysztof Zając

Affected Vendor

Affected Software

WP Visitor Statistics (Real Time Traffic)
Vulnerable Versions:
5.5

Timeline

Official Publish: February 28th, 2022
Last Modified: August 3rd, 2024
Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weaknesses (CWE)